{% extends "base.html" %}
{% load static %}

{% block title %}Register - Hospital Management System{% endblock %}

{% block css %}
<style>
.register-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem 0;
}

.register-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    width: 100%;
    max-width: 500px;
}

.register-header {
    background: linear-gradient(135deg, #348ac7 0%, #7474bf 100%);
    color: white;
    padding: 2rem;
    text-align: center;
}

.register-body {
    padding: 2rem;
}

.form-floating {
    margin-bottom: 1rem;
}

.btn-register {
    background: linear-gradient(135deg, #348ac7 0%, #7474bf 100%);
    border: none;
    padding: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 138, 199, 0.4);
}

.password-requirements {
    font-size: 0.875rem;
    color: #6c757d;
}

.requirement {
    display: flex;
    align-items: center;
    margin-bottom: 0.25rem;
}

.requirement.valid {
    color: #28a745;
}

.requirement.invalid {
    color: #dc3545;
}
</style>
{% endblock %}

{% block content %}
<div class="register-container">
    <div class="register-card">
        <div class="register-header">
            <h3 class="mb-0">
                <i class="fas fa-hospital-alt me-2"></i>
                Hospital Management
            </h3>
            <p class="mb-0 mt-2 opacity-75">Create your account</p>
        </div>
        
        <div class="register-body">
            {% if messages %}
                {% for message in messages %}
                    <div class="alert alert-{{ message.tags }} alert-dismissible fade show" role="alert">
                        {{ message }}
                        <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
                    </div>
                {% endfor %}
            {% endif %}

            {% if form.non_field_errors %}
                <div class="alert alert-danger">
                    {{ form.non_field_errors }}
                </div>
            {% endif %}

            <form method="post" novalidate>
                {% csrf_token %}
                
                <div class="row">
                    <div class="col-md-6">
                        <div class="form-floating">
                            <input type="text" 
                                   class="form-control {% if form.first_name.errors %}is-invalid{% endif %}" 
                                   id="id_first_name" 
                                   name="first_name" 
                                   placeholder="First Name"
                                   value="{{ form.first_name.value|default:'' }}"
                                   required>
                            <label for="id_first_name">
                                <i class="fas fa-user me-2"></i>First Name
                            </label>
                            {% if form.first_name.errors %}
                                <div class="invalid-feedback">
                                    {{ form.first_name.errors.0 }}
                                </div>
                            {% endif %}
                        </div>
                    </div>
                    <div class="col-md-6">
                        <div class="form-floating">
                            <input type="text" 
                                   class="form-control {% if form.last_name.errors %}is-invalid{% endif %}" 
                                   id="id_last_name" 
                                   name="last_name" 
                                   placeholder="Last Name"
                                   value="{{ form.last_name.value|default:'' }}"
                                   required>
                            <label for="id_last_name">
                                <i class="fas fa-user me-2"></i>Last Name
                            </label>
                            {% if form.last_name.errors %}
                                <div class="invalid-feedback">
                                    {{ form.last_name.errors.0 }}
                                </div>
                            {% endif %}
                        </div>
                    </div>
                </div>

                <div class="form-floating">
                    <input type="text" 
                           class="form-control {% if form.username.errors %}is-invalid{% endif %}" 
                           id="id_username" 
                           name="username" 
                           placeholder="Username"
                           value="{{ form.username.value|default:'' }}"
                           required>
                    <label for="id_username">
                        <i class="fas fa-at me-2"></i>Username
                    </label>
                    {% if form.username.errors %}
                        <div class="invalid-feedback">
                            {{ form.username.errors.0 }}
                        </div>
                    {% endif %}
                </div>

                <div class="form-floating">
                    <input type="email" 
                           class="form-control {% if form.email.errors %}is-invalid{% endif %}" 
                           id="id_email" 
                           name="email" 
                           placeholder="Email"
                           value="{{ form.email.value|default:'' }}"
                           required>
                    <label for="id_email">
                        <i class="fas fa-envelope me-2"></i>Email Address
                    </label>
                    {% if form.email.errors %}
                        <div class="invalid-feedback">
                            {{ form.email.errors.0 }}
                        </div>
                    {% endif %}
                </div>

                <div class="form-floating">
                    <input type="password" 
                           class="form-control {% if form.password1.errors %}is-invalid{% endif %}" 
                           id="id_password1" 
                           name="password1" 
                           placeholder="Password"
                           required>
                    <label for="id_password1">
                        <i class="fas fa-lock me-2"></i>Password
                    </label>
                    {% if form.password1.errors %}
                        <div class="invalid-feedback">
                            {{ form.password1.errors.0 }}
                        </div>
                    {% endif %}
                </div>

                <div class="form-floating">
                    <input type="password" 
                           class="form-control {% if form.password2.errors %}is-invalid{% endif %}" 
                           id="id_password2" 
                           name="password2" 
                           placeholder="Confirm Password"
                           required>
                    <label for="id_password2">
                        <i class="fas fa-lock me-2"></i>Confirm Password
                    </label>
                    {% if form.password2.errors %}
                        <div class="invalid-feedback">
                            {{ form.password2.errors.0 }}
                        </div>
                    {% endif %}
                </div>

                <div class="password-requirements mb-3">
                    <small class="text-muted">Password requirements:</small>
                    <div id="password-requirements">
                        <div class="requirement" id="req-length">
                            <i class="fas fa-times me-2"></i>At least 8 characters
                        </div>
                        <div class="requirement" id="req-uppercase">
                            <i class="fas fa-times me-2"></i>One uppercase letter
                        </div>
                        <div class="requirement" id="req-lowercase">
                            <i class="fas fa-times me-2"></i>One lowercase letter
                        </div>
                        <div class="requirement" id="req-number">
                            <i class="fas fa-times me-2"></i>One number
                        </div>
                    </div>
                </div>

                <div class="form-check mb-3">
                    <input class="form-check-input" type="checkbox" id="terms_accepted" name="terms_accepted" required>
                    <label class="form-check-label" for="terms_accepted">
                        I agree to the <a href="#" data-bs-toggle="modal" data-bs-target="#termsModal">Terms of Service</a> 
                        and <a href="#" data-bs-toggle="modal" data-bs-target="#privacyModal">Privacy Policy</a>
                    </label>
                </div>

                <div class="d-grid">
                    <button type="submit" class="btn btn-primary btn-register" id="registerBtn" disabled>
                        <i class="fas fa-user-plus me-2"></i>Create Account
                    </button>
                </div>

                <hr class="my-4">
                
                <div class="text-center">
                    <p class="text-muted mb-2">Already have an account?</p>
                    <a href="{% url 'accounts:login' %}" class="btn btn-outline-primary">
                        <i class="fas fa-sign-in-alt me-2"></i>Sign In
                    </a>
                </div>
            </form>
        </div>
    </div>
</div>

<!-- Terms Modal -->
<div class="modal fade" id="termsModal" tabindex="-1">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Terms of Service</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body">
                <p>By using the Hospital Management System, you agree to the following terms...</p>
                <!-- Add actual terms content here -->
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
            </div>
        </div>
    </div>
</div>

<!-- Privacy Modal -->
<div class="modal fade" id="privacyModal" tabindex="-1">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Privacy Policy</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body">
                <p>Your privacy is important to us. This policy explains how we collect and use your data...</p>
                <!-- Add actual privacy policy content here -->
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
            </div>
        </div>
    </div>
</div>

<script>
document.addEventListener('DOMContentLoaded', function() {
    const password1 = document.getElementById('id_password1');
    const password2 = document.getElementById('id_password2');
    const termsCheckbox = document.getElementById('terms_accepted');
    const registerBtn = document.getElementById('registerBtn');
    
    // Password validation
    function validatePassword() {
        const password = password1.value;
        const requirements = {
            'req-length': password.length >= 8,
            'req-uppercase': /[A-Z]/.test(password),
            'req-lowercase': /[a-z]/.test(password),
            'req-number': /\d/.test(password)
        };
        
        let allValid = true;
        Object.keys(requirements).forEach(req => {
            const element = document.getElementById(req);
            const icon = element.querySelector('i');
            
            if (requirements[req]) {
                element.classList.add('valid');
                element.classList.remove('invalid');
                icon.className = 'fas fa-check me-2';
            } else {
                element.classList.add('invalid');
                element.classList.remove('valid');
                icon.className = 'fas fa-times me-2';
                allValid = false;
            }
        });
        
        return allValid;
    }
    
    function updateRegisterButton() {
        const passwordValid = validatePassword();
        const passwordsMatch = password1.value === password2.value && password1.value !== '';
        const termsAccepted = termsCheckbox.checked;
        
        registerBtn.disabled = !(passwordValid && passwordsMatch && termsAccepted);
    }
    
    password1.addEventListener('input', updateRegisterButton);
    password2.addEventListener('input', updateRegisterButton);
    termsCheckbox.addEventListener('change', updateRegisterButton);
    
    // Form submission
    const form = document.querySelector('form');
    form.addEventListener('submit', function() {
        registerBtn.disabled = true;
        registerBtn.innerHTML = '<i class="fas fa-spinner fa-spin me-2"></i>Creating Account...';
    });
});
</script>
{% endblock %}